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`Na_(2)S+Na_(2)[Fe(CN)_(5)NO]rarrNa_(4)[Fe(NH)_(5)nos],` oxidation number of Fe in reactant ( complex ) and product ( complex) are `:`

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`Na_(2)S+Na_(2)[Fe(CN)_(5)NO]rarrNa_(4)[Fe(NH)_(5)nos],` oxidation number of Fe in reactant ( complex ) and product ( complex) are `:`
A. `2,1`
B. `2,2`
C. `2,3`
D. `3,3`
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Correct Answer - B
`[Fe(CN)_(5)NO^(+)]^(2-),x+5(-1)+1=-2" or "x=+2`

`[Fe(CN)_(5)NOS]^(4-),x+5(-1)+(-1)=-4 " or "x=+2`
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